diff --git a/JString.cpp b/JString.cpp
index ba0fbd0..a6b33c3 100644
--- a/JString.cpp
+++ b/JString.cpp
@@ -21,7 +21,12 @@ namespace coreutils {
             pop();
             remove(offset(), old.getLength() + 2);
             MString key;
-            key << "\"" << value << "\"";
+	    if(value.startsWith("[")) 
+	      key << value;
+	    else if(value.startsWith("{")) 
+	      key << value;
+	    else
+	      key << "\"" << value << "\"";	    
             insert(key, offset());
          } else {
 	    pop();
@@ -32,17 +37,13 @@ namespace coreutils {
          MString key;
 	 if(notfirst)
            key << ",";
-
 	 // TODO: The value added must be parsed down to remove all whitespace.
-	 value.push();
-	 value.skipWhitespace();
 	 if(value.startsWith("[")) 
 	   key << "\"" << path << "\":" << value;
 	 else if(value.startsWith("{")) 
 	   key << "\"" << path << "\":" << value;
 	 else
 	   key << "\"" << path << "\":" << "\"" << value << "\"";
-	 value.pop();
          insert(key, offset());
       }
    }
@@ -64,9 +65,24 @@ namespace coreutils {
    }
 
    bool JString::locate(ZString &path) {
+      std::cout << "path locate: " << path << std::endl;
       path.split(".", 1);
+      ZString pathx = path[0].getTokenExclude("[");
+      ZString index;
+      if(path[0].ifNext("[")) {
+	    index = path[0].getTokenExclude("]");
+	    if(path[0].ifNext("]")) {
+	       // TODO: index value here
+	       std::cout << ":::" << pathx << ":" << index << std::endl;
+	    }		  
+	 }
+      else
+	pathx = path[0];
+      pathx.reset();
+      index.reset();
+      path[0].reset();      
       notfirst = false;
-      if(ifNext("{")) {
+      if(ifNext("{")) {	
          while(startsWith("\"")) {
 	    notfirst = true;
             ZString label;
@@ -77,9 +93,10 @@ namespace coreutils {
             }  else
               throw coreutils::Exception("Labels must be contained in double quotes.");
             if(ifNext(":")) {
-               if(label == path[0]) {
+//	       std::cout << "path: (" << pathx << ") " << label << std::endl;	       
+               if(label == pathx) {
                   if(path.getList().size() == 1) {
-//		       std::cout << "found cursor: " << unparsed() << std::endl;
+		     std::cout << "found cursor: " << unparsed() << std::endl;
 		     return true;
 		  }
                   return locate(path[1]);
diff --git a/JString.h b/JString.h
index 62258e0..360fae7 100644
--- a/JString.h
+++ b/JString.h
@@ -83,7 +83,9 @@ namespace coreutils {
       
       JString & operator=(coreutils:: ZString value) {	 
 	 std::cout << "operator=" << value << std::endl;
-
+	 setSize(value.getLength());
+	 memcpy(data, value.getData(), value.getLength());
+	 length = value.getLength();
 	 return *this;
       }
       
diff --git a/MString.cpp b/MString.cpp
index 28f9ce1..2b8f3f6 100644
--- a/MString.cpp
+++ b/MString.cpp
@@ -258,6 +258,7 @@ namespace coreutils {
       int newBufferSize = ((size / 256) + 1) * 256;
       if (bufferSize != newBufferSize) {
          bufferSize = newBufferSize;
+	 std::cout << "Adjusting storage size to " << bufferSize << " to accomodate " << size << "bytes." << std::endl;
          data = (char *)realloc(data, bufferSize);
          cursor = data + cursorOffset;
       }
diff --git a/MString.h b/MString.h
index e24d22e..9125cd2 100644
--- a/MString.h
+++ b/MString.h
@@ -227,10 +227,12 @@ namespace coreutils {
       MString &read(int fd);
       
       int offset();
+
+    protected:
+      void setSize(int size);
       
     private:
       int bufferSize = 0;
-      void setSize(int size);
    };
    
 }
diff --git a/testing/compile b/testing/compile
index ea451bc..03aa841 100755
--- a/testing/compile
+++ b/testing/compile
@@ -1,4 +1,4 @@
 #!/bin/bash
 #g++ -g -std=c++20 -o zstring_test zstring_test.cpp -I.. -L.. -lCoreUtils
-#g++ -g -std=c++20 -o mstring_test mstring_test.cpp -I.. -L.. -lCoreUtils
+g++ -g -std=c++20 -o mstring_test mstring_test.cpp -I.. -L.. -lCoreUtils
 g++ -o jstring_test jstring_test.cpp -I.. -L.. -lCoreUtils
diff --git a/testing/jstring_test b/testing/jstring_test
index 58ac36a..d6cb86e 100755
Binary files a/testing/jstring_test and b/testing/jstring_test differ
diff --git a/testing/jstring_test.cpp b/testing/jstring_test.cpp
index bc0d136..838fee6 100644
--- a/testing/jstring_test.cpp
+++ b/testing/jstring_test.cpp
@@ -3,22 +3,30 @@
 
 int main(int argc, char **argv) {
 
-   coreutils::MString test0("{\"Number:\"0\",\"id\":\"XXXXX\"}");
+   coreutils::MString test0("{\"Number\":\"0\",\"id\":\"XXXXX\"}");
    coreutils::JString test1;
 
    test1 = test0;
+   std::cout << test1 << std::endl;
 
+   std::cout << test1["id"] << std::endl;
+   
    test1["name"] = "Cohen";
+
+   std::cout << test1 << std::endl;
+
    test1["health"] = "100";
    test1["comment"] = "this is a comment";
    test1["race"] = "human";
    test1["array"] = "[\"test1\",\"test2\",\"test3\"]";
    test1["tester"] = "test field";
    test1["object1"] = "{\"attr1\":\"value1\",\"attr2\":\"value2\",\"attr3\":\"value3\"}";
+   test1["object1.attr2"] = "{\"xattr1\":\"xvalue1\",\"xattr2\":\"xvalue2\",\"xattr3\":\"xvalue3\"}";
+   test1["object1.attr3"] = "Im not an object";
 
    std::cout << test1 << std::endl;
 
-   coreutils::MString test2 = test1["name"];
+   coreutils::ZString test2 = test1["name"];
    std::cout << test2 << std::endl;
    
    std::cout << test1["name"] << std::endl;
@@ -29,6 +37,11 @@ int main(int argc, char **argv) {
    std::cout << test1["tester"] << std::endl;
    std::cout << test1["object1"] << std::endl;
    std::cout << test1["object1.attr2"] << std::endl;   
+   std::cout << test1["object1.attr2.xattr3"] << std::endl;   
+   std::cout << test1["object1.attr3"] << std::endl;   
+   std::cout << test1["array[0]"] << std::endl;   
+   std::cout << test1["array[1]"] << std::endl;   
+   std::cout << test1["array[2]"] << std::endl;   
 
    return 0;
 }
diff --git a/testing/mstring_test.cpp b/testing/mstring_test.cpp
index 47e0596..cfb4d66 100644
--- a/testing/mstring_test.cpp
+++ b/testing/mstring_test.cpp
@@ -8,8 +8,11 @@ int main(int argc, char **argv) {
    std::cout << "char * operator=: [" << test1 << "]." << std::endl;
    test1 = "new value.";
    std::cout << "char * operator=: [" << test1 << "]." << std::endl;
+   std::cout << "001" << std::endl;
    std::string test11 = "this is a test";
+   std::cout << "002" << std::endl;
    coreutils::MString test12 = test11;
+   std::cout << "003" << std::endl;
    std::cout << "assign from std::string: [" << test12 << "]." << std::endl;   
 
    coreutils::MString test2("this is another test.");